Etymotic Research Isolator ER-6 Manuel utilisateur

TABLE OF CONTENTS

About Etymotic Research, Inc. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

About ER-4 Earphones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

System Includes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Eartips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Insertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Changing Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Proper Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Noise Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Response Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

ABOUT ETYMOTIC RESEARCH, INC.

Etymotic Research,Inc.(ER) is a research,development and manufacturing

company that designs products to measure,improve and protect hearing.

ER has developed some of the most innovative hearing technology available

today. Etymotic means“true to the ear.”

Other ETYMOTIC RESEARCH products:

ER-6 Isolator™insert earphones

Musicians Earplugs (custom hearing protection)

ER-20 High Fidelity earplugs

ETY-COM™cellphone headset

WARRANTY

Etymotic Research,Inc.warrants this product against defects in material

or workmanship for a period of 1 year from the date of original purchase

from an authorized Etymotic distributor or reseller. Proof of purchase is

required. The warranty can be extended for 1 additional year if Etymotic

receives a warranty card with proof of purchase any time within the first

year. ER will repair or replace the defective product at its option if returned

within the warranty period to our service facility. This warranty is in lieu

of all other warranties,expressed or implied,including, but not limited to,

any implied warranty of merchantability or fitness for a particular purpose.

ABOUT ETYMOTIC RESEARCH

ABOUT ER-4 EARPHONES

Noise reduction with ER-4 MicroPro earphones occurs naturally from the

inserts. Other earphones with active noise-cancelling add circuit noise

and require bulky batteries.

In-the-ear,high fidelity transducers combine flat frequency response

with isolation from external noise.

The white 3-flange eartips provide 35 dB average external noise

isolation. Foam eartips provide 41 dB average external noise isolation.

Lowering surrounding noise allows the listener to hear the full dynamic

range of recordings at lower reproduction levels.

ER-4 MicroPro earphones are ideal for a variety of consumer uses

such as personal CD and DVD players,MP3 players,and computers.

Professional uses include mixing and stage monitoring in the studio

and during live performance.

ABOUT ETYMOTIC RESEARCH

DESCRIPTIONS

ER-4P (Portable) earphones have enhanced bass and higher sensitivity.

ER-4Ps can be used with portable CD, MP3,DVD and other players without

requiring an additional amplifier. The ER-4P has 10 dB greater sensitivity

at high frequencies and 13 dB more at low frequencies than the ER-4S.

The higher sensitivity and enhanced bass of the ER-4P have made it the

most popular earphone for most uses.

ER-4S (Stereo) earphones have the most accurate frequency response for

reproducing CD and MP3 recordings. The sensitivity is comparable to home

and professional earphones. ER-4S earphones are ideal for home stereo use

and computer use. ER-4S earphones can be used with a headphone amplifier

when using low power portable devices. ER-4S is the earphone preferred

by musicians and audiophiles.

ER-4B (Binaural) earphones are for the binaural recording enthusiast.

The ER-4B is the reference earphone for use with material that has not been

equalized for loudspeaker playback.

ER-4B

ER-4S ER-4P

••• Lightweight and portable

••• High accuracy

••• Noise isolation (20-25 dB)

•Enhanced bass response

ABOUT ETYMOTIC RESEARCH

SYSTEM INCLUDES

• ER•4 MicroPro earphones

• 5 ft. cord with 3.5 mm stereo phone plug

• 1⁄4" stereo phone adapter plug

• 6 white 3-flange eartips

• 10 foam eartips (medium)

• Filter changing tool

• 4 replacement filters

• Shirt clip

• Zippered pouch

• Storage box

Replacement items and accessories are available at www.etymotic.com.

Cable to convert

“P” to “S”

Airline audio

jack adapter

OPTIONAL ACCESSORIES

EARTIPS

In addition to six white 3-flanged eartips,ER-4 MicroPro Earphones are

supplied with ten disposable foam eartips.Both types provide excellent

sound reproduction when properly inserted.

White 3-flange eartips

These reusable eartips should be cleaned regularly.

Cleaning the white 3-flange eartips

1. Carefully remove the eartip from the earphone.

2. Use water and mild soap to remove dirt and earwax from the eartip.

3. Rinse and completely dry the eartip.

4. Push the eartip on the stem until it rests against the large edge of the barrel.

Foam eartips

• Disposable foam eartips compress to a tight seal that holds the earphones

firmly in place.

• The eartips at the end of the earphones can be replaced

by sliding them off and on. A combination of twisting and

pulling is recommended for eartip removal. Be careful not

to bend the earphone.

Yellow foam eartip

(lg–optional)

Black foam eartip

(med–included)

Beige foam eartip

(sm–optional)

INSERTION

Blue earphone = left ear Red earphone = right ear

Try the white 3-flange and foam eartips to determine the best fit for comfort

and isolation. The sound quality and noise isolation depend on how well the

eartips seal. If the earphones seem to lack bass,insert the earplug deeper

into the ear canal to obtain a better seal, or try the other eartip option.

White 3-flange eartip insertion

• For best results,moisten the white plastic eartip

before insertion.

• Carefully insert one earphone at a time, pulling up

and out on the back of the ear. The earphone should

seal deeply and comfortably in the ear canal.

Foam eartip insertion

• Use a foam eartip if a good seal cannot be obtained with a white eartip.

• Compress the foam at the end of the earphone by rolling it between your

thumb and forefinger before inserting it. Hold the earphone in place for

about 10 seconds while the foam expands to create a tight seal.

Remove earphones slowly with a twisting motion to gradually break the seal.

REMOVAL

CHANGING FILTERS

ER-4 MicroPro Earphones have special filters that shape the frequency

response and prevent earwax from entering the earphones. These filters,

identified by a green acoustic mesh in a small metal barrel,are located at the

end of the earphone and are visible when the eartip is removed. When the

filters become clogged they should be replaced. A dirty filter will reduce or

block the earphone output. The frequency with which the filters need to be

changed will vary widely among users. The filters should be changed if the

volume decreases or the sound quality declines.

1. Remove eartip 2. Remove damper with tool 3. Insert new damper

4. Gently press flush against

flat surface

5. Attach eartip

PROPER CARE

• Do not expose earphones to extreme temperatures.

• Avoid dropping or strong impact. Extreme shock can damage the earphones.

• Always leave an eartip on the earphone for shock protection.

• Keep earphones away from water as this can adversely affect sound quality.

Perspiration entering the nozzle may cause the earphone to temporarily

stop working. Normal operation usually returns after the earphone dries out.

• Do not pull on the cord to remove it from the jack or from the ear.

• Avoid bending the barrel in the center of the cord.

• Clean or replace the white 3-flange eartips prior to use by others.

• Replace disposable foam eartips regularly.

• Earwax buildup can reduce the earphone output. When the filters become

clogged they should be replaced. See Changing the Filters on page 8.

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